"The body temperature of frogs and lizards depend on temperature in the environment". Justify.

Explanation

(1) They have three chambered hearts.
(2) The oxygenated and deoxygenated blood mixes with each other.
(3) The energy produced is less which is not sufficient to maintain constant body temperature.
(4) Moreover, they are cold blooded animals.
(5) The cold blooded animals have tendency to change the body temperature according to the temperature of environment